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<FONT color="green">001</FONT>    package maze.model;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.File;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.io.IOException;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.io.InputStream;<a name="line.5"></a>
<FONT color="green">006</FONT>    <a name="line.6"></a>
<FONT color="green">007</FONT>    import javax.swing.DefaultComboBoxModel;<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    /**<a name="line.9"></a>
<FONT color="green">010</FONT>     * Manages the global collection of mazes.<a name="line.10"></a>
<FONT color="green">011</FONT>     * @author Johnathan Smith<a name="line.11"></a>
<FONT color="green">012</FONT>     */<a name="line.12"></a>
<FONT color="green">013</FONT>    public class MazeInfoModel<a name="line.13"></a>
<FONT color="green">014</FONT>    {<a name="line.14"></a>
<FONT color="green">015</FONT>       private static final String[] NAMES =<a name="line.15"></a>
<FONT color="green">016</FONT>       {<a name="line.16"></a>
<FONT color="green">017</FONT>          "APEC2002.MAZ", "DEFAULT.MAZ", "HITEL01.MAZ", "HITEL02.MAZ", "LongPath.MAZ",<a name="line.17"></a>
<FONT color="green">018</FONT>          "MINOS03Final.MAZ", "MM03FINS.MAZ", "SEOUL01.MAZ", "SEOUL02.MAZ", "Large.mz2",<a name="line.18"></a>
<FONT color="green">019</FONT>       };<a name="line.19"></a>
<FONT color="green">020</FONT>       private static final String[] NAME_EXT =<a name="line.20"></a>
<FONT color="green">021</FONT>       {<a name="line.21"></a>
<FONT color="green">022</FONT>          ".mz2", ".maz"<a name="line.22"></a>
<FONT color="green">023</FONT>       };<a name="line.23"></a>
<FONT color="green">024</FONT>       final DefaultComboBoxModel mMazeInfoModel = new DefaultComboBoxModel();<a name="line.24"></a>
<FONT color="green">025</FONT>    <a name="line.25"></a>
<FONT color="green">026</FONT>       public MazeInfoModel()<a name="line.26"></a>
<FONT color="green">027</FONT>       {<a name="line.27"></a>
<FONT color="green">028</FONT>          fromJar();<a name="line.28"></a>
<FONT color="green">029</FONT>          try<a name="line.29"></a>
<FONT color="green">030</FONT>          {<a name="line.30"></a>
<FONT color="green">031</FONT>             File currentDir = new File(".");<a name="line.31"></a>
<FONT color="green">032</FONT>             scanDirectory(currentDir);<a name="line.32"></a>
<FONT color="green">033</FONT>          }<a name="line.33"></a>
<FONT color="green">034</FONT>          catch (Exception e)<a name="line.34"></a>
<FONT color="green">035</FONT>          {<a name="line.35"></a>
<FONT color="green">036</FONT>             System.out.println("Error scanning directory for maze files.");<a name="line.36"></a>
<FONT color="green">037</FONT>             e.printStackTrace();<a name="line.37"></a>
<FONT color="green">038</FONT>          }<a name="line.38"></a>
<FONT color="green">039</FONT>       }<a name="line.39"></a>
<FONT color="green">040</FONT>    <a name="line.40"></a>
<FONT color="green">041</FONT>       public DefaultComboBoxModel getMazeInfoComboBoxModel()<a name="line.41"></a>
<FONT color="green">042</FONT>       {<a name="line.42"></a>
<FONT color="green">043</FONT>          return mMazeInfoModel;<a name="line.43"></a>
<FONT color="green">044</FONT>       }<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>       public void fromJar()<a name="line.46"></a>
<FONT color="green">047</FONT>       {<a name="line.47"></a>
<FONT color="green">048</FONT>          for (String name : NAMES)<a name="line.48"></a>
<FONT color="green">049</FONT>          {<a name="line.49"></a>
<FONT color="green">050</FONT>             InputStream in;<a name="line.50"></a>
<FONT color="green">051</FONT>             MazeInfo mi;<a name="line.51"></a>
<FONT color="green">052</FONT>    <a name="line.52"></a>
<FONT color="green">053</FONT>             in = MazeInfo.class.getResourceAsStream("mazeExamples/" + name);<a name="line.53"></a>
<FONT color="green">054</FONT>             if (in != null &amp;&amp; (mi = MazeInfo.load(in, name)) != null)<a name="line.54"></a>
<FONT color="green">055</FONT>                mMazeInfoModel.addElement(mi);<a name="line.55"></a>
<FONT color="green">056</FONT>          } // for (String name : names)<a name="line.56"></a>
<FONT color="green">057</FONT>    <a name="line.57"></a>
<FONT color="green">058</FONT>       }<a name="line.58"></a>
<FONT color="green">059</FONT>    <a name="line.59"></a>
<FONT color="green">060</FONT>       public void scanDirectory(File dir)<a name="line.60"></a>
<FONT color="green">061</FONT>       {<a name="line.61"></a>
<FONT color="green">062</FONT>          if (dir == null || !dir.isDirectory())<a name="line.62"></a>
<FONT color="green">063</FONT>          {<a name="line.63"></a>
<FONT color="green">064</FONT>             System.out.println("null directory");<a name="line.64"></a>
<FONT color="green">065</FONT>             return;<a name="line.65"></a>
<FONT color="green">066</FONT>          }<a name="line.66"></a>
<FONT color="green">067</FONT>    <a name="line.67"></a>
<FONT color="green">068</FONT>          for (File entry : dir.listFiles())<a name="line.68"></a>
<FONT color="green">069</FONT>          {<a name="line.69"></a>
<FONT color="green">070</FONT>             if (entry.isFile())<a name="line.70"></a>
<FONT color="green">071</FONT>             {<a name="line.71"></a>
<FONT color="green">072</FONT>                for (String ext : NAME_EXT)<a name="line.72"></a>
<FONT color="green">073</FONT>                {<a name="line.73"></a>
<FONT color="green">074</FONT>                   if (entry.getName().toLowerCase().endsWith(ext))<a name="line.74"></a>
<FONT color="green">075</FONT>                   {<a name="line.75"></a>
<FONT color="green">076</FONT>                      MazeInfo mi;<a name="line.76"></a>
<FONT color="green">077</FONT>                      if ( (mi = MazeInfo.load(entry)) != null)<a name="line.77"></a>
<FONT color="green">078</FONT>                         mMazeInfoModel.addElement(mi);<a name="line.78"></a>
<FONT color="green">079</FONT>                      break;<a name="line.79"></a>
<FONT color="green">080</FONT>                   }<a name="line.80"></a>
<FONT color="green">081</FONT>                }<a name="line.81"></a>
<FONT color="green">082</FONT>             }<a name="line.82"></a>
<FONT color="green">083</FONT>             //else if (entry.isDirectory())<a name="line.83"></a>
<FONT color="green">084</FONT>             //   scanDirectory(entry);<a name="line.84"></a>
<FONT color="green">085</FONT>          }<a name="line.85"></a>
<FONT color="green">086</FONT>       }<a name="line.86"></a>
<FONT color="green">087</FONT>    <a name="line.87"></a>
<FONT color="green">088</FONT>       public MazeInfo createNew(String name, boolean extended)<a name="line.88"></a>
<FONT color="green">089</FONT>       {<a name="line.89"></a>
<FONT color="green">090</FONT>          MazeInfo mi = MazeInfo.createEmptyMaze(name, extended);<a name="line.90"></a>
<FONT color="green">091</FONT>          mMazeInfoModel.addElement(mi);<a name="line.91"></a>
<FONT color="green">092</FONT>          return mi;<a name="line.92"></a>
<FONT color="green">093</FONT>       }<a name="line.93"></a>
<FONT color="green">094</FONT>    <a name="line.94"></a>
<FONT color="green">095</FONT>       public boolean addMaze(File file)<a name="line.95"></a>
<FONT color="green">096</FONT>       {<a name="line.96"></a>
<FONT color="green">097</FONT>          MazeInfo mi;<a name="line.97"></a>
<FONT color="green">098</FONT>          for (int i = 0; i &lt; mMazeInfoModel.getSize(); i++)<a name="line.98"></a>
<FONT color="green">099</FONT>          {<a name="line.99"></a>
<FONT color="green">100</FONT>             try<a name="line.100"></a>
<FONT color="green">101</FONT>             {<a name="line.101"></a>
<FONT color="green">102</FONT>                mi = (MazeInfo) mMazeInfoModel.getElementAt(i);<a name="line.102"></a>
<FONT color="green">103</FONT>                if (mi.getPath().equals(file.getCanonicalPath()))<a name="line.103"></a>
<FONT color="green">104</FONT>                   return false;<a name="line.104"></a>
<FONT color="green">105</FONT>             }<a name="line.105"></a>
<FONT color="green">106</FONT>             catch (IOException ex)<a name="line.106"></a>
<FONT color="green">107</FONT>             {<a name="line.107"></a>
<FONT color="green">108</FONT>                return false;<a name="line.108"></a>
<FONT color="green">109</FONT>             }<a name="line.109"></a>
<FONT color="green">110</FONT>          }<a name="line.110"></a>
<FONT color="green">111</FONT>          if ( (mi = MazeInfo.load(file)) == null)<a name="line.111"></a>
<FONT color="green">112</FONT>             return false;<a name="line.112"></a>
<FONT color="green">113</FONT>    <a name="line.113"></a>
<FONT color="green">114</FONT>          mMazeInfoModel.addElement(mi);<a name="line.114"></a>
<FONT color="green">115</FONT>          return true;<a name="line.115"></a>
<FONT color="green">116</FONT>       }<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>       public void addMaze(MazeInfo mi)<a name="line.118"></a>
<FONT color="green">119</FONT>       {<a name="line.119"></a>
<FONT color="green">120</FONT>          mMazeInfoModel.addElement(mi);<a name="line.120"></a>
<FONT color="green">121</FONT>       }<a name="line.121"></a>
<FONT color="green">122</FONT>    <a name="line.122"></a>
<FONT color="green">123</FONT>       public void close(MazeInfo mi)<a name="line.123"></a>
<FONT color="green">124</FONT>       {<a name="line.124"></a>
<FONT color="green">125</FONT>          mMazeInfoModel.removeElement(mi);<a name="line.125"></a>
<FONT color="green">126</FONT>       }<a name="line.126"></a>
<FONT color="green">127</FONT>    }<a name="line.127"></a>




























































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